package zyz.algorithm.utils;

/**
 * @author: @zyz
 * 二叉树
 */
public class TreeNode {
	public int val;
	public TreeNode left;
	public TreeNode right;
      public TreeNode () {}
      public TreeNode (int val) { this.val = val; }
      TreeNode(int val, TreeNode left, TreeNode right) {
          this.val = val;
          this.left = left;
          this.right = right;
      }
}
